Inheritance: extends Zend\EventManager\AbstractListenerAggregate
 /**
  * {@inheritDoc}
  */
 public function attach(EventManagerInterface $events)
 {
     parent::attach($events);
     $this->listeners[] = $events->attach(MvcEvent::EVENT_ROUTE, [$this, 'checkDeactivatedUser']);
 }
 /**
  * Inject strategy with configured exception_template
  *
  * @param ExceptionStrategy $strategy
  * @param array $config
  */
 private function injectExceptionTemplate(ExceptionStrategy $strategy, array $config)
 {
     $template = isset($config['exception_template']) ? $config['exception_template'] : 'error';
     $strategy->setExceptionTemplate($template);
 }